CUET-PG SERIES Material-science-and-technology
Imperfection In Solids
3 previous year questions.
Volume: 3 Ques
Yield: Medium
High-Yield Trend
3
2024 Chapter Questions 3 MCQs
01
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
The ratio of the number of vacancies to the number of atoms when the average energy required to create a vacancy is 0.9 eV at 400K is
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2
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4
02
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
The number of vacancies per cm in a BCC iron crystal having density of 7.87 g/cm and lattice parameter of is:
1
Vacancies/cm =
2
Vacancies/cm =
3
Vacancies/cm =
4
Vacancies/cm =
03
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
An aluminum crystal is bent into a radius of curvature of 5 cm. The minimum dislocation density in the material is (Burgers vector = ):
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4